CN102610741B - Piezoelectric polarization device and method - Google Patents
Piezoelectric polarization device and method Download PDFInfo
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- CN102610741B CN102610741B CN201210081374.1A CN201210081374A CN102610741B CN 102610741 B CN102610741 B CN 102610741B CN 201210081374 A CN201210081374 A CN 201210081374A CN 102610741 B CN102610741 B CN 102610741B
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- 230000010287 polarization Effects 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 238000009826 distribution Methods 0.000 claims description 9
- 229920002545 silicone oil Polymers 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000007858 starting material Substances 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- 229910010293 ceramic material Inorganic materials 0.000 abstract 1
- 238000011161 development Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000011076 safety test Methods 0.000 description 1
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Abstract
The invention relates to a polarization technology of piezoelectric ceramic materials and aims at providing a piezoelectric polarization device and a piezoelectric polarization method. The device comprises a polarization host machine, wherein a polarization oil tank is arranged at the upper part of an electric control box and is connected to a motor through a lifting device, an electric heater is arranged in the polarization oil tank, a plurality of polarization electrodes are arranged under an upper side cover plate of the polarization oil tank, the lower ends of the polarization electrodes are provided with clamps used for clamping test pieces to be polarized, a 50KW high-voltage direct current power supply is connected to a remote high-voltage control instrument through a cable, the electric control box is connected to a remote polarization control instrument through a cable, and the remote high-voltage control instrument and the remote polarization control instrument are arranged beyond a distance being at least 1.5meters from the polarization host machine. Operators can operate the polarization host machine in a safe range in a remote control way, so unsafe factors of the operators are avoided. Polarization on a new test piece can be immediately carried out without long-time temperature rise, and the characteristics of energy saving and high efficiency are realized.
Description
Technical field
The present invention relates to the Polarization technique of piezoceramic material, particularly piezoelectric ceramic polarizer apparatus and the method under the 50KW ultra-high pressure condition.
Background technology
Piezoelectric ceramic is the functional material that a kind of mechanical energy and electric energy are changed mutually, is widely used in the high-technology fields such as mobile communication, satellite broadcasting, electronic equipment, instrument and meter, biology and Aero-Space.Along with the development of science and technology, more and more higher to performance and the functional requirement of piezoelectricity device, the development piezoelectric constant is larger, and the NEW TYPE OF COMPOSITE piezoelectric device that mechanical strength is higher becomes the task of top priority.In the development process of piezoelectric device, the procedure that is absolutely necessary polarizes.Different from large-scale industrial production, the polarization of laboratory to piezoelectric device, need to carry out a large amount of tests to different materials and technique, and that original one pole that generally adopts and the lower artificial experimental rig that directly contacts of direct voltage can't satisfy amount of polarization naturally is large, the requirement that superhigh pressure polarizes.Simultaneously how safety test also becomes an essential technology that is worth research under the 50KW ultra-high pressure condition.
Summary of the invention
The technical problem to be solved in the present invention is that customer service has defective or the deficiency of laboratory home-built equipment now, provides polarization method and the device of a kind of 9 grades of sheet type piezoelectric ceramics under the 50KW DC ultra-high-voltage, to satisfy the special requirement of experiment of laboratory piezoelectric ceramic technology.
Be the technical solution problem, solution of the present invention is:
A kind of piezoelectric polarization device is provided, comprises the polarization main frame; Described polarization main frame comprises: electric control box, polarization oil groove, polarizing electrode and nine road high pressure distribution plates; Described polarization oil groove is located at the electrical control upper box part, and is connected to motor by lowering or hoisting gear; Establish electric heater in the polarization oil groove, the below of polarization oil groove upper side cover is provided with several polarizing electrodes; The lower end of polarizing electrode is provided with the fixture for clamping test specimen to be polarized, and polarizing electrode is connected to nine road high pressure distribution plates by cable; Nine road high pressure distribution plates are connected with the 50KW high-voltage DC power supply; The 50KW high-voltage DC power supply is connected to the remote high-voltage controller by cable; Electric heater and motor all are connected to electric control box, and electric control box is connected to long-range polarizing control instrument by cable; Remote high-voltage controller and long-range polarizing control instrument are located at outside the distance of leaving 1.5 meters, polarization main frame at least.
In the present invention, described 50KW high-voltage DC power supply and electric control box, polarization oil groove, polarizing electrode and nine road high pressure distribution plates are assembled into the polarization main frame of integral type.
In the present invention, also comprise an infrared radiation detection apparatus, be connected to the switch of high-voltage DC power supply by cable.
In the present invention, described polarizing electrode and fixture respectively have 9.
Further, the present invention also provides a kind of piezoelectric polarization method based on aforementioned means, comprises the following steps:
(1) the piezoelectric ceramic test specimen is packed in fixture, rise the polarization oil groove by long-range polarizing control instrument starter motor, polarizing electrode is stretched in the polarization oil groove, the fixture that test specimen is housed immerses in silicone oil in the polarization oil groove;
(2) start the temperature detect switch (TDS) of electric heater by long-range polarizing control instrument, control the temperature of silicone oil in the polarization oil groove between 150～200 ℃;
(3) connect the 50KW high-voltage DC power supply by the remote high-voltage controller, regulation voltage is between 5KW～50KW;
(4) control polarized circuit by the remote high-voltage controller, to the processing that polarizes of piezoelectric ceramic test specimen;
(5) after polarization is finished dealing with, close the polarization main frame, the cutoff high DC power supply, the temperature detect switch (TDS) of pass interrupting heater, starter motor is fallen the polarization oil groove, makes the fixture that test specimen is housed leave the polarization oil groove.
In polarization process, personnel detected as infrared detector and be strayed into the localized area, to the switch transmitted signal of high-voltage DC power supply, cut off power supply immediately.
Beneficial effect of the present invention is:
The present invention can allow operating personnel's straighforward operation polarization main frame in safe range, avoids operating personnel's unsafe factor; The oil groove that need not polarize is cooling, with the Electric Machine Control oil groove, fixture and oil groove is thrown off; Take out test specimen and pack into after new test specimen, need not long-time intensification can carry out the polarization of new test specimen immediately again, has the characteristics of efficient energy-saving; Owing to having adopted infrared electronic technology, if in polarization process, personnel's accident is arranged near the silicone oil groove, main frame will automatic cut-off power, stops polarization process, guarantees personnel's safety.
Description of drawings
Fig. 1 is the structural representation (front) of polarization device of the present invention;
Fig. 2 is the structural representation (side) of polarization device of the present invention;
Fig. 3 is the strange land operation chart of polarization device of the present invention.
Reference numeral is: 1, nine road high pressure distribution plates; 2, polarizing electrode; 3, polarization oil groove; 4 electric control boxes; 5,50KW high-voltage DC power supply; 6, remote high-voltage controller; 7, long-range polarizing control instrument; 8, table.
Embodiment
At first add silicone oil in polarization in oil groove 3, then 9 samples fixture of packing into simultaneously, with Electric Machine Control polarization oil groove 3, make the fixture that test specimen is housed all immerse in silicone oil.This moment, operating personnel left the polarization main frame, arrive apart from outside the Host Security distance, require operating remote high voltage control instrument 6 and long-range polarizing control instrument 7 according to polarization process: connect high voltage source, set the heating-up temperature of polarization oil groove 3, start heater switch, silicone oil begins heating, regulates polarizing voltage and polarization time, carries out polarization process and processes.PROCESS FOR TREATMENT is complete, and to need not silicone oil fully cooling, can control motors by remote polarizing control instrument 7 at once and make fixture break away from polarization oil groove 3, thereby take out test specimen another batch test specimen that polarizes again.Straighforward operation makes operating personnel operate the polarization main frame in safe range, avoids operating personnel's unsafe factor.
Claims (5)
1. a piezoelectric polarization method, is characterized in that, comprises the following steps:
(1) the piezoelectric ceramic test specimen is packed in fixture, rise the polarization oil groove by long-range polarizing control instrument starter motor, polarizing electrode is stretched in the polarization oil groove, the fixture that test specimen is housed immerses in silicone oil in the polarization oil groove;
(2) start the temperature detect switch (TDS) of electric heater by long-range polarizing control instrument, control the temperature of silicone oil in the polarization oil groove between 150～200 ℃;
(3) connect the 50KW high-voltage DC power supply by the remote high-voltage controller, regulation voltage is between 5KW～50KW;
(4) control polarized circuit by the remote high-voltage controller, to the processing that polarizes of piezoelectric ceramic test specimen;
(5) after polarization is finished dealing with, close the polarization main frame, the cutoff high DC power supply, the temperature detect switch (TDS) of pass interrupting heater, starter motor is fallen the polarization oil groove, makes the fixture that test specimen is housed leave the polarization oil groove;
The method is based on the piezoelectric polarization device that comprises the main frame that polarizes and realizes; Described polarization main frame comprises: electric control box, polarization oil groove, polarizing electrode and nine road high pressure distribution plates; Described polarization oil groove is located at the electrical control upper box part, and is connected to motor by lowering or hoisting gear; Establish electric heater in the polarization oil groove, the below of polarization oil groove upper side cover is provided with several polarizing electrodes; The lower end of polarizing electrode is provided with the fixture for clamping test specimen to be polarized, and polarizing electrode is connected to nine road high pressure distribution plates by cable; Nine road high pressure distribution plates are connected with the 50KW high-voltage DC power supply; The 50KW high-voltage DC power supply is connected to the remote high-voltage controller by cable; Electric heater and motor all are connected to electric control box, and electric control box is connected to long-range polarizing control instrument by cable; Remote high-voltage controller and long-range polarizing control instrument are located at outside the distance of leaving 1.5 meters, polarization main frame at least.
2. method according to claim 1, is characterized in that, in polarization process, personnel detected as infrared detector and be strayed into the localized area, to the switch transmitted signal of high-voltage DC power supply, cuts off power supply immediately.
3. method according to claim 1, is characterized in that, described 50KW high-voltage DC power supply and electric control box, polarization oil groove, polarizing electrode and nine road high pressure distribution plates are assembled into the polarization main frame of integral type.
4. method according to claim 1, is characterized in that, described piezoelectric polarization device also comprises an infrared radiation detection apparatus, is connected to the switch of high-voltage DC power supply by cable.
5. method according to claim 1, is characterized in that, described polarizing electrode and fixture respectively have 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210081374.1A CN102610741B (en) | 2012-03-23 | 2012-03-23 | Piezoelectric polarization device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210081374.1A CN102610741B (en) | 2012-03-23 | 2012-03-23 | Piezoelectric polarization device and method |
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| CN102610741A CN102610741A (en) | 2012-07-25 |
| CN102610741B true CN102610741B (en) | 2013-11-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104197714B (en) * | 2014-08-27 | 2015-12-09 | 中国石油大学(华东) | There is the piezoelectric ceramics sintering furnace of function of polarization and the method for sintering polarization thereof |
| CN104183695B (en) * | 2014-09-02 | 2015-07-08 | 济南大学 | Polarization system and method of large-length-diameter-ratio piezoelectric ceramic transistor |
| CN105092459B (en) * | 2015-09-09 | 2017-12-05 | 中国计量学院 | A kind of high temperature test fixture of piezoelectric polarization device |
| CN106291142B (en) * | 2016-09-19 | 2022-04-29 | 河南感联智能科技有限公司 | Piezoelectric ceramic and piezoelectric semiconductor test piece diversity polarization experimental system |
| CN111554803B (en) * | 2020-05-26 | 2021-09-24 | 大连理工大学 | Piezoelectric element partition polarization device |
| CN113097377B (en) * | 2021-04-06 | 2023-07-18 | 武汉佰力博科技有限公司 | High-flux high-voltage polarization device |
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| JP2844729B2 (en) * | 1989-10-18 | 1999-01-06 | ブラザー工業株式会社 | Piezoelectric functionally gradient element and method of manufacturing the same |
| JP3846186B2 (en) * | 2000-12-05 | 2006-11-15 | 株式会社村田製作所 | Polarization apparatus and polarization method |
| JP2007066968A (en) * | 2005-08-29 | 2007-03-15 | Honda Electronic Co Ltd | Polarization equipment of piezoelectric ceramics |
| CN202495481U (en) * | 2012-03-23 | 2012-10-17 | 浙江大学 | Piezoelectric polarization device |
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